Vandal-proof plumbing valve access box

Claim 1

A vandal - proof plumbing valve access box for placement in an aperture in a mounting wall having a front face and a rear face for housing a plumbing valve and for preventing access thereinto by unauthorized persons or vandals while permitting actuation of a pushbutton of the plumbing valve; comprising: (a) a sleeve defined by a wall thereabout, said wall of said sleeve being co-extensively disposed between the pair of oppositely - disposed faces of said mounting wall and defining a single, rectangularly - shaped passageway therethrough, said sleeve having front and rear portions with rims thereabout and having a first flange disposed about the rim of said rear portion of said sleeve, said first flange being directed outwardly in a radial fashion therefrom, whereby said sleeve is stiffened and strengthened and may be positioned in said aperture in said mounting wall and when said first flange is abuttingly positioned thereabout it prevents said sleeve from being moved further through said aperture in said mounting wall so that said front portion of said sleeve does not project beyond the front face of said mounting wall; (b) four brackets, each of said brackets being formed from a piece of rectangulary - shaped sheet metal wherein a pair of the complementary corners are bent along a diagonal line passing through the adjacent non-complementary corner, said corners following said bending are each disposed in a plane, said planes being disposed at right angles to one another and wherein said brackets are arranged to bridge the inside corners of said sleeve and respectively secured in fixed relationship to the intersection of adjacent sidewalls of said sleeve forming each of said corners, each of said brackets further having an aperture therethrough with a threaded portion thereabout; (c) a cover for said sleeve, said cover extending beyond the rim of said sleeve and having at least four apertures adjacently disposed to each of the four corners thereof and having an apertured portion therein for the pushbutton for operating said plumbing valve; and (d) security bolts for said apertures in said cover, said bolts being mateably receivable in threadable fashion with said threaded apertures in said brackets.